3 i 1/9 * 1 i 5/16 - 4 i 1/6 : 2 i 2/9 =
2 * 3 i 9/20 - 3 : 4 =
2 i 3/4 (dluga kreska pod tym i pod nia 4) + 2 i 1/10 * 4 i 1/6 =
2 * 4 i 1/3 + 5 i 5/6 : 2 i 2/9 =
2 i 2/12 * 2 i 7/10 - 23 : 12 =
12 i 1/2 (dluga kreska pod tym i pod nia 10) + 8 i 3/4 : 1 i 7/8 =
2 i 1/10 * 5 i 5/6 - 2 * 1 i 7/8 =
29 : 4 - 9 i 3/5 (dluga kreska i pod nia 3) =
5 i 5/8 : 1 i 7/20 - 1 i 13/15 * 1 i 19/21 =
i
1. (3 i 3/4 : 4 i 1/6) * 2 i 1/12 =
2. 1 i 13/14 * (2 i 2/15 : 9/28) =
3. 2 i 1/12 * 9/20 : 1 i 1/10 =
4. 6/7 * (5 i 5/6 : 3 i 3/4) =
5. (2 i 5/8 : 15/28) : 1 i 1/20 =
6. 15/28 : (1 i 1/14*1 i 1/10) =
7. 4 i 1/6 * (1 i 7/8 : 25/36) =
8. 2 i 1/2 : 12/35 * 2 i 2/15 =
9. 2 i 1/12 : (2 i 1/12 * 8/15) =
10. (2 i 7/9 * 6/35) : 1 i 11/14 =
11. 1 i 5/9 * 3 i 3/4 : 1 i 1/9 =
12. (5 i 5/6 : 3 i 1/9) * 2 i 1/10 =
8 i 31/80
2 i 5/24
6 i 3/20
11 i 7/24